1077640941 has 16 divisors (see below), whose sum is σ = 1597299200. Its totient is φ = 641770560.

The previous prime is 1077640939. The next prime is 1077640943. The reversal of 1077640941 is 1490467701.

It is an interprime number because it is at equal distance from previous prime (1077640939) and next prime (1077640943).

It is not a de Polignac number, because 1077640941 - 2¹ = 1077640939 is a prime.

It is a super-2 number, since 2×1077640941² = 2322619995438730962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1077640941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077640943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444466 + ... + 446883.

It is an arithmetic number, because the mean of its divisors is an integer number (99831200).

Almost surely, 2^1077640941 is an apocalyptic number.

It is an amenable number.

1077640941 is a deficient number, since it is larger than the sum of its proper divisors (519658259).

1077640941 is a wasteful number, since it uses less digits than its factorization.

1077640941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891396.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1077640941 is about 32827.4418893705. The cubic root of 1077640941 is about 1025.2379985908.

The spelling of 1077640941 in words is "one billion, seventy-seven million, six hundred forty thousand, nine hundred forty-one".