7492771216957 has 8 divisors (see below), whose sum is σ = 8130734710560. Its totient is φ = 6863607220080.

The previous prime is 7492771216943. The next prime is 7492771217047. The reversal of 7492771216957 is 7596121772947.

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

It is not a de Polignac number, because 7492771216957 - 2¹⁵ = 7492771184189 is a prime.

It is a super-2 number, since 2×7492771216957² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7492771216892 and 7492771216901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492771216907) 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, 2199872407 + ... + 2199875812.

It is an arithmetic number, because the mean of its divisors is an integer number (1016341838820).

Almost surely, 2^{7492771216957} is an apocalyptic number.

It is an amenable number.

7492771216957 is a deficient number, since it is larger than the sum of its proper divisors (637963493603).

7492771216957 is a wasteful number, since it uses less digits than its factorization.

7492771216957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399748363.

The product of its digits is 93350880, while the sum is 67.

The spelling of 7492771216957 in words is "seven trillion, four hundred ninety-two billion, seven hundred seventy-one million, two hundred sixteen thousand, nine hundred fifty-seven".