6977157087 has 8 divisors (see below), whose sum is σ = 9362130736. Its totient is φ = 4621810752.

The previous prime is 6977157059. The next prime is 6977157101. The reversal of 6977157087 is 7807517796.

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

It is not a de Polignac number, because 6977157087 - 2¹² = 6977152991 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 (6977157587) 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, 7406278 + ... + 7407219.

It is an arithmetic number, because the mean of its divisors is an integer number (1170266342).

Almost surely, 2^6977157087 is an apocalyptic number.

6977157087 is a deficient number, since it is larger than the sum of its proper divisors (2384973649).

6977157087 is a wasteful number, since it uses less digits than its factorization.

6977157087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14813657.

The product of its (nonzero) digits is 5186160, while the sum is 57.

The square root of 6977157087 is about 83529.3785862196. The cubic root of 6977157087 is about 1910.8481095054.

The spelling of 6977157087 in words is "six billion, nine hundred seventy-seven million, one hundred fifty-seven thousand, eighty-seven".