787968152690 has 16 divisors (see below), whose sum is σ = 1467251043480. Its totient is φ = 304318734720.

The previous prime is 787968152681. The next prime is 787968152731. The reversal of 787968152690 is 96251869787.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 740854411441 + 47113741249 = 860729^2 + 217057^2 .

It is a super-2 number, since 2×787968152690² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 787968152690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358565491 + ... + 1358566070.

Almost surely, 2^787968152690 is an apocalyptic number.

787968152690 is a deficient number, since it is larger than the sum of its proper divisors (679282890790).

787968152690 is a wasteful number, since it uses less digits than its factorization.

787968152690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717131597.

The product of its (nonzero) digits is 91445760, while the sum is 68.

The spelling of 787968152690 in words is "seven hundred eighty-seven billion, nine hundred sixty-eight million, one hundred fifty-two thousand, six hundred ninety".