676155901 has 4 divisors (see below), whose sum is σ = 676219132. Its totient is φ = 676092672.

The previous prime is 676155899. The next prime is 676155919. The reversal of 676155901 is 109551676.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 222039801 + 454116100 = 14901^2 + 21310^2 .

It is a cyclic number.

It is not a de Polignac number, because 676155901 - 2¹ = 676155899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676155941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11166 + ... + 38431.

It is an arithmetic number, because the mean of its divisors is an integer number (169054783).

Almost surely, 2^676155901 is an apocalyptic number.

It is an amenable number.

676155901 is a deficient number, since it is larger than the sum of its proper divisors (63231).

676155901 is a wasteful number, since it uses less digits than its factorization.

676155901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63230.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 676155901 is about 26002.9979233165. The cubic root of 676155901 is about 877.7057581419.

The spelling of 676155901 in words is "six hundred seventy-six million, one hundred fifty-five thousand, nine hundred one".