7739868977 has 8 divisors (see below), whose sum is σ = 7829515200. Its totient is φ = 7650501840.

The previous prime is 7739868949. The next prime is 7739868991. The reversal of 7739868977 is 7798689377.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7739868977 - 2¹⁰ = 7739867953 is a prime.

It is a super-2 number, since 2×7739868977² (a number of 21 digits) contains 22 as substring.

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 7739868977.

It is not an unprimeable number, because it can be changed into a prime (7739868907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13727 + ... + 125172.

It is an arithmetic number, because the mean of its divisors is an integer number (978689400).

Almost surely, 2^7739868977 is an apocalyptic number.

It is an amenable number.

7739868977 is a deficient number, since it is larger than the sum of its proper divisors (89646223).

7739868977 is a wasteful number, since it uses less digits than its factorization.

7739868977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139543.

The product of its digits is 224042112, while the sum is 71.

The square root of 7739868977 is about 87976.5251473369. The cubic root of 7739868977 is about 1978.0831171880.

The spelling of 7739868977 in words is "seven billion, seven hundred thirty-nine million, eight hundred sixty-eight thousand, nine hundred seventy-seven".